Illustration demonstrating the Dix-Hallpike maneuver, which is used to detect posterior canal benign positional vertigo (BPV). (A) The examiner begins by position the person in a long sit position while holding their head. The examiner then rotates the head thirty to forty-five degrees. (B) The examiner then helps the person to lie down, and carries the head into twenty-five to thirty degrees of extension, which causes otoliths to move within the endolymph. Movement of the otoliths creates waves of endolymph movement and bending of hair cells stereocilia in the involved canal that induces vertigo and nystagmus. Labeled.
Credit
FD Giddings
Dimensions
3797 x 4500 pixels
Print Size @ 300 dpi
13 x 15 inches / 32 x 38 cm
